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# -*- coding: utf-8 -*-
# (c) 2020 Matt Martz <matt@sivel.net>
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
from __future__ import absolute_import, division, print_function
__metaclass__ = type
import locale
import sys
import unicodedata
from unittest.mock import MagicMock
import pytest
from ansible.utils.display import _LIBC, _MAX_INT, Display, get_text_width
from ansible.utils.multiprocessing import context as multiprocessing_context
@pytest.fixture
def problematic_wcswidth_chars():
problematic = []
try:
locale.setlocale(locale.LC_ALL, 'C.UTF-8')
except Exception:
return problematic
candidates = set(chr(c) for c in range(sys.maxunicode) if unicodedata.category(chr(c)) == 'Cf')
for c in candidates:
if _LIBC.wcswidth(c, _MAX_INT) == -1:
problematic.append(c)
return problematic
def test_get_text_width():
locale.setlocale(locale.LC_ALL, '')
assert get_text_width(u'コンニチハ') == 10
assert get_text_width(u'abコcd') == 6
assert get_text_width(u'café') == 4
assert get_text_width(u'four') == 4
assert get_text_width(u'\u001B') == 0
assert get_text_width(u'ab\u0000') == 2
assert get_text_width(u'abコ\u0000') == 4
assert get_text_width(u'🚀🐮') == 4
assert get_text_width(u'\x08') == 0
assert get_text_width(u'\x08\x08') == 0
assert get_text_width(u'ab\x08cd') == 3
assert get_text_width(u'ab\x1bcd') == 3
assert get_text_width(u'ab\x7fcd') == 3
assert get_text_width(u'ab\x94cd') == 3
pytest.raises(TypeError, get_text_width, 1)
pytest.raises(TypeError, get_text_width, b'four')
def test_get_text_width_no_locale(problematic_wcswidth_chars):
if not problematic_wcswidth_chars:
pytest.skip("No problmatic wcswidth chars")
locale.setlocale(locale.LC_ALL, 'C.UTF-8')
pytest.raises(EnvironmentError, get_text_width, problematic_wcswidth_chars[0])
def test_Display_banner_get_text_width(monkeypatch):
locale.setlocale(locale.LC_ALL, '')
display = Display()
display_mock = MagicMock()
monkeypatch.setattr(display, 'display', display_mock)
display.banner(u'🚀🐮', color=False, cows=False)
args, kwargs = display_mock.call_args
msg = args[0]
stars = u' %s' % (75 * u'*')
assert msg.endswith(stars)
def test_Display_banner_get_text_width_fallback(monkeypatch):
locale.setlocale(locale.LC_ALL, 'C.UTF-8')
display = Display()
display_mock = MagicMock()
monkeypatch.setattr(display, 'display', display_mock)
display.banner(u'\U000110cd', color=False, cows=False)
args, kwargs = display_mock.call_args
msg = args[0]
stars = u' %s' % (78 * u'*')
assert msg.endswith(stars)
def test_Display_set_queue_parent():
display = Display()
pytest.raises(RuntimeError, display.set_queue, 'foo')
def test_Display_set_queue_fork():
def test():
display = Display()
display.set_queue('foo')
assert display._final_q == 'foo'
p = multiprocessing_context.Process(target=test)
p.start()
p.join()
assert p.exitcode == 0
def test_Display_display_fork():
def test():
queue = MagicMock()
display = Display()
display.set_queue(queue)
display.display('foo')
queue.send_display.assert_called_once_with(
'foo', color=None, stderr=False, screen_only=False, log_only=False, newline=True
)
p = multiprocessing_context.Process(target=test)
p.start()
p.join()
assert p.exitcode == 0
def test_Display_display_lock(monkeypatch):
lock = MagicMock()
display = Display()
monkeypatch.setattr(display, '_lock', lock)
display.display('foo')
lock.__enter__.assert_called_once_with()
def test_Display_display_lock_fork(monkeypatch):
lock = MagicMock()
display = Display()
monkeypatch.setattr(display, '_lock', lock)
monkeypatch.setattr(display, '_final_q', MagicMock())
display.display('foo')
lock.__enter__.assert_not_called()
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